Number | Name | Date | Kind |
---|---|---|---|
3454644 | Dewhirst | Jul 1969 | |
4464515 | Rempel et al. | Aug 1984 | |
4631315 | Buding et al. | Dec 1986 | |
4673757 | Fiedler et al. | Jun 1987 |
Number | Date | Country |
---|---|---|
3529252 | May 1986 | DEX |
Entry |
---|
Robinson et al., J. Chem-Soc. Dalton Trans. pp. 1912 to 1920 (1973). |